Pictou Posted October 2, 2007 Share Posted October 2, 2007 I found a 4 liter container of Mobil 1 Synthetic (Red Cap - 15w -50) when I was cleaning out a corner of my basement. I am guessing that this is at least 5 years old (as some of you probably know they don't make this product anymore). It is in a new sealed container. Is there a shelf life to oil? Is there any reason I can't use this for next oil change? Link to comment
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